Results 11 to 20 of about 203 (123)

UNA EVOLUCIÓN DE LA MIRADA SOBRE LA COMPLEJIDAD DE LOS OBJETOS MATEMÁTICOS [PDF]

open access: yesParadigma, 2020
Se explica la evolución de una agenda de investigación que se inició con el artículo “Objetos, prácticas y ostensivos asociados. El caso de la cisoide”, publicado el 2001, donde se pretendía mostrar la ingenuidad del punto de vista que consideraba a las ...
V. Font, L. Pino-Fan, Adriana Breda
semanticscholar   +3 more sources

ANALISIS BIODIVERSITAS JENIS-JENIS TUMBUHAN LIANA DI TAMAN NASIONAL BATANG GADIS RESORT 7 SOPOTINJAK KABUPATEN MANDAILING NATAL SUMATERA UTARA [PDF]

open access: yes, 2021
Climbing plants or what is known as Liana is a type of plant that is characteristic of tropical rainforest ecosystems. This study aims to determine the types of lianas, diversity index and wealth index, the method used is descriptive survey method with ...
Febriani, Husnarika   +2 more
core   +2 more sources

STEM PROJECT AS A MEANS OF LEARNING MODELING FOR PRE-SERVICE MATHEMATICS AND COMPUTER SCIENCE TEACHERS

open access: yesÌnformacìjnì Tehnologì ì Zasobi Navčannâ, 2022
Modern science operates with various methods, among which modeling is one of the most popular. The development of information technology allows the study of analogues (models) with the most significant characteristics of the real object.
O. Semenikhina   +2 more
semanticscholar   +1 more source

Operationalism: An Interpretation of the Philosophy of Ancient Greek Geometry

open access: yesFoundations of Science, 2021
I present a systematic interpretation of the foundational purpose of constructions in ancient Greek geometry. I argue that Greek geometers were committed to an operationalist foundational program, according to which all of mathematics—including its ...
Viktor Blåsjö
semanticscholar   +1 more source

SYNTHESIS AND ANALYSIS OF A MECHANISM GENERATING THE RATIONAL CIRCULAR CUBIC

open access: yesJournal of Industrial Design and Engineering Graphics, 2019
Based on the mathematical curve named rational circular cubic [2] and on its animation, it was conceived an original mechanism generating this curve.
Mirela Cherciu, Iulian Popescu
doaj   +4 more sources

Suscetibilidade de Ipomoea quamoclit, I. triloba e Merremia cissoides aos herbicidas Sulfentrazone e amicarbazone Susceptibility of Ipomoea quamoclit, I. triloba and Merremia cissoides to the Herbicides Sulfentrazone and Amicarbazone [PDF]

open access: yesPlanta Daninha, 2009
A suscetibilidade diferencial de espécies de plantas daninhas a herbicidas é uma importante variável que deve ser considerada na escolha do herbicida e dose a serem aplicados. Assim, dois experimentos foram desenvolvidos com o objetivo de avaliar a suscetibilidade de três espécies de plantas daninhas da família Convolvulaceae (Ipomoea quamoclit, I ...
L.H.F. Campos   +4 more
openaire   +4 more sources

ASPECTS REGARDING LOCUS IN MECHANICS [PDF]

open access: yes, 2022
Essentially, locus problems are problems of finding characteristics equivalent to those by which a certain intersection is given, in other words, the equality problem of two intersections.
Răzvan Bogdan ITU
core  

A novel-iterative simulation method for performance analysis of non-coherent FSK/ASK systems over rice/rayleigh channels using the wolfram language [PDF]

open access: yes, 2016
In this paper, a new approach in solving and analysing the performances of the digital telecommunication non-coherent FSK/ASK system in the presence of noise is derived, by using a computer algebra system.
Milošević, Danijela   +1 more
core   +2 more sources

Synthesis of carboxylate Cp*Zr(IV) species : towards the formation of novel metallocavitands [PDF]

open access: yes, 2015
With the intent of generating metallocavitands isostructural to species [(CpZr)3(μ(3)-O)(μ(2)-OH)3(κO,O,μ(2)-O2C(R))3](+), the reaction of Cp*2ZrCl2 and Cp*ZrCl3 with phenylcarboxylic acids was carried out.
Bi, Wenhua   +4 more
core   +2 more sources

Pappus of Alexandria, Book III of the Mathematical Collection [PDF]

open access: yes, 2023
John B. Little is the translator. This is a translation of Book III of the Mathematical Collection by Pappus of Alexandria (ca. 290 - 350 CE) from the original Greek to English, following the edition of Friedrich Hultsch.
Little, John B., Pappus of Alexandria,
core   +1 more source

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